Electronic Structure, Optical, and Magnetic Properties of Mn 100− x Ge x ( x  = 20, 25, and 30) Alloys Near Tetragonal–Orthorhombic Structural Phase Transition

2019 ◽  
Vol 256 (11) ◽  
pp. 1900155
Author(s):  
Shubhra Dash ◽  
Ajit K. Patra ◽  
M. Vasundhara ◽  
Alexey V. Lukoyanov ◽  
Evgenii D. Baglasov ◽  
...  
Keyword(s):  
Phase Transition ◽  
Magnetic Properties ◽  
Electronic Structure ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
Optical And Magnetic Properties

scholarly journals Ho and Ti Co-Substitution Tailored Structural Phase Transition and Enhanced Magnetic Properties of BiFeO3 Thin Films

ACS Omega ◽  
2020 ◽  
Vol 5 (45) ◽  
pp. 29292-29299
Author(s):  
Mingjie Sun ◽  
Liang Bai ◽  
Wenjing Ma ◽  
Yanqing Liu ◽  
Junkai Zhang ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Transition ◽  
Magnetic Properties ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
Co Substitution ◽  
Bifeo3 Thin Films

Original disorder–order transition related to electronic and magnetic properties in the thermoelectric misfit phase [Ca2CoO3][CoO2]1.62

2008 ◽  
Vol 64 (6) ◽  
pp. 676-683 ◽  
Author(s):  
Hervé Muguerra ◽  
Dominique Grebille
Keyword(s):  
Phase Transition ◽  
Magnetic Properties ◽  
Cobalt Oxide ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
Order Transition ◽  
Electronic And Magnetic Properties

A structural phase transition is shown around 400 K for the thermoelectric lamellar misfit cobalt oxide [Ca2CoO3][CoO2]1.62. This transition is related to a rearrangement of the central [CoO] layer of the [Ca2CoO3] slab of this structure, characterized by a commensurate intrinsic modulation q 2 = 2\over 3a * − 1\over 3c *. The partial residual disorder related to split Co and O atomic sites along the misfit b direction disappears and one can describe this layer with its triple chains as a modulated configuration with a regular and not distorted periodicity along b. This phase transition is associated with small changes observed in the transport and magnetic properties as a function of temperature.

Unusual Magnetic Properties of One-Dimensional Molecule-Based Magnets Associated with a Structural Phase Transition

2002 ◽  
Vol 41 (22) ◽  
pp. 5686-5692 ◽  
Author(s):  
Xiaoming Ren ◽  
Qingjin Meng ◽  
You Song ◽  
Changsheng Lu ◽  
Chuanjiang Hu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Magnetic Properties ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
One Dimensional

scholarly journals First Principles Study of Electronic Structure and Magnetic Properties of TMH (TM = Cr, Mn, Fe, Co)

2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
S. Kanagaprabha ◽  
R. Rajeswarapalanichamy ◽  
K. Iyakutti
Keyword(s):  
Phase Transition ◽  
Magnetic Properties ◽  
Electronic Structure ◽  
First Principles ◽  
Local Density ◽  
Hexagonal Phase ◽  
Structural Phase ◽  
Tight Binding ◽  
Transition Metal Hydrides ◽  
Lmto Method

First principles calculations are performed using a tight-binding linear muffin-tin orbital (TB-LMTO) method with local density approximation (LDA) and atomic sphere approximation (ASA) to understand the electronic properties of transition metal hydrides (TMH) (TM = Cr, Mn, Fe, Co). The structural property, electronic structure, and magnetic properties are investigated. A pressure induced structural phase transition from cubic to hexagonal phase is predicted at the pressures of 50 GPa for CrH and 23 GPa for CoH. Also, magnetic phase transition is observed in FeH and CoH at the pressures of 10 GPa and 180 GPa, respectively.

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